EP 2366120 A4 20140312 - RADIO FREQUENCY TRANSPONDER SYSTEM
Title (en)
RADIO FREQUENCY TRANSPONDER SYSTEM
Title (de)
FUNKFREQUENZTRANSPONDERSYSTEM
Title (fr)
SYSTÈME DE TRANSPONDEUR À RADIOFRÉQUENCES
Publication
Application
Priority
- AU 2009001514 W 20091120
- AU 2008906011 A 20081120
- AU 2009905139 A 20091021
Abstract (en)
[origin: WO2010057263A1] A radio frequency transponder, including: a substrate; and at least one planar antenna on said substrate, said antenna having a shape determining a corresponding resonant frequency of said antenna; wherein said antenna causes a phase difference between backscattered signals generated in response to excitation of said antenna by orthogonally polarised interrogation signals at said resonant frequency, and said phase difference represents a code of said antenna.
IPC 8 full level
G01S 13/75 (2006.01); G06K 19/063 (2006.01); H01Q 21/24 (2006.01)
CPC (source: CN EP US)
G01S 13/753 (2013.01 - CN EP US); G01S 13/825 (2013.01 - CN EP US); G06K 19/07749 (2013.01 - CN EP US); H01Q 1/2225 (2013.01 - CN EP US); H01Q 9/0442 (2013.01 - CN EP US); H01Q 21/24 (2013.01 - CN EP US)
Citation (search report)
- [XI] US 2005280539 A1 20051222 - PETTUS MICHAEL G [US]
- [XAI] JP 2007053810 A 20070301 - OGAWA HIDEKAZU, et al
- [XA] EP 1065623 A2 20010103 - XEROX CORP [US]
- [T] US 2011068181 A1 20110324 - SIMSKE STEVEN J [US], et al
- See references of WO 2010057263A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
WO 2010057263 A1 20100527; AU 2009317877 A1 20100527; AU 2009317877 B2 20141023; CA 2743955 A1 20100527; CN 102317810 A 20120111; CN 106654517 A 20170510; EP 2366120 A1 20110921; EP 2366120 A4 20140312; NZ 593545 A 20140725; US 2012161931 A1 20120628; US 9164169 B2 20151020
DOCDB simple family (application)
AU 2009001514 W 20091120; AU 2009317877 A 20091120; CA 2743955 A 20091120; CN 200980155302 A 20091120; CN 201610840324 A 20091120; EP 09827052 A 20091120; NZ 59354509 A 20091120; US 201113111849 A 20110519